https://online2.tingclass.net/lesson/shi0529/0008/8490/137.mp3
https://image.tingclass.net/statics/js/2012
17. If you want to know the train schedule, please ______ at the booking office.
A. acquire B. inquire C. request D. require
acquire 獲得
require 要求，請(qǐng)求，命令
inquire 詢問(wèn)，盤問(wèn)，追究
request 要求
